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確(que)保(bao)通風(feng)效(xiao)(xiao)(xiao)果:高溫(wen)(wen)消防(fang)排煙(yan)風(feng)機的(de)(de)(de)使用介質本(ben)身(shen)溫(wen)(wen)度相對較高,且自身(shen)的(de)(de)(de)運(yun)轉也(ye)是(shi)會(hui)(hui)產(chan)生(sheng)(sheng)(sheng)一定的(de)(de)(de)溫(wen)(wen)度,若是(shi)將其放在(zai)密(mi)封環(huan)境中(zhong)(zhong),那么很容易就會(hui)(hui)導(dao)(dao)致高溫(wen)(wen)現(xian)象發(fa)(fa)生(sheng)(sheng)(sheng),針對于這種情況在(zai)前期選擇安裝環(huan)境時就應(ying)該(gai)要(yao)(yao)多注意,好(hao)是(shi)能夠將其放在(zai)通風(feng)效(xiao)(xiao)(xiao)果較好(hao)的(de)(de)(de)環(huan)境中(zhong)(zhong),通過對流運(yun)動來有(you)(you)效(xiao)(xiao)(xiao)降低溫(wen)(wen)度,這是(shi)可以有(you)(you)效(xiao)(xiao)(xiao)的(de)(de)(de)防(fang)止(zhi)(zhi)高溫(wen)(wen)現(xian)象的(de)(de)(de)發(fa)(fa)生(sheng)(sheng)(sheng)。確(que)保(bao)電(dian)流大小合適:消防(fang)排煙(yan)風(feng)機的(de)(de)(de)使用還(huan)是(shi)要(yao)(yao)注意電(dian)流問(wen)題,是(shi)應(ying)該(gai)要(yao)(yao)防(fang)止(zhi)(zhi)電(dian)流過大現(xian)象發(fa)(fa)生(sheng)(sheng)(sheng),否則會(hui)(hui)讓在(zai)運(yun)行中(zhong)(zhong)會(hui)(hui)因(yin)(yin)為(wei)電(dian)流過大而(er)產(chan)生(sheng)(sheng)(sheng)較多的(de)(de)(de)電(dian)阻,而(er)這也(ye)是(shi)會(hui)(hui)導(dao)(dao)致高溫(wen)(wen)現(xian)象發(fa)(fa)生(sheng)(sheng)(sheng)。因(yin)(yin)為(wei)高溫(wen)(wen)會(hui)(hui)直(zhi)接影響著消防(fang)排煙(yan)風(feng)機的(de)(de)(de)使用,因(yin)(yin)此在(zai)日(ri)常(chang)使用中(zhong)(zhong)就應(ying)該(gai)要(yao)(yao)采(cai)取(qu)(qu)措施來有(you)(you)效(xiao)(xiao)(xiao)的(de)(de)(de)防(fang)止(zhi)(zhi)高溫(wen)(wen)現(xian)象發(fa)(fa)生(sheng)(sheng)(sheng),且在(zai)高溫(wen)(wen)之后要(yao)(yao)采(cai)取(qu)(qu)措施來降溫(wen)(wen),以確(que)保(bao)安全。
1、適(shi)用(yong)(yong)(yong)于(yu)大小賓館、酒樓、飯(fan)店(dian)、飯(fan)堂等場(chang)所(suo)的(de)廚房(fang)抽排(pai)(pai)油(you)煙和(he)(he)火煙和(he)(he)通(tong)(tong)風(feng)(feng)系統配套使用(yong)(yong)(yong)。2、適(shi)用(yong)(yong)(yong)于(yu)辦公大樓、商場(chang)、影劇(ju)院(yuan)、醫院(yuan)、工廠企業車間、地下室等場(chang)所(suo)通(tong)(tong)風(feng)(feng)排(pai)(pai)氣。3、適(shi)用(yong)(yong)(yong)于(yu)所(suo)有(you)工作場(chang)所(suo)的(de)空(kong)調冷(leng)氣工程。4、風(feng)(feng)機輸送(song)的(de)應為不含粘性物(wu)(wu)質(zhi)的(de)氣體,且氣體溫度不大于(yu)80OC,介質(zhi)所(suo)含物(wu)(wu)質(zhi)量不大于(yu)150mg/M3。水膜濾清器和(he)(he)靜電(dian)油(you)煙凈化器經凈化后排(pai)(pai)放的(de)物(wu)(wu)質(zhi)含量不大于(yu)2.0mg/M3。5、風(feng)(feng)機廣(guang)泛用(yong)(yong)(yong)于(yu)工廠、礦井、隧道、冷(leng)卻(que)塔、車輛、船舶和(he)(he)建筑(zhu)物(wu)(wu)的(de)通(tong)(tong)風(feng)(feng)、排(pai)(pai)塵和(he)(he)冷(leng)卻(que);6、鍋爐和(he)(he)工業爐窯的(de)通(tong)(tong)風(feng)(feng)和(he)(he)引風(feng)(feng);空(kong)氣調節設備(bei)和(he)(he)家(jia)用(yong)(yong)(yong)電(dian)器設備(bei)中(zhong)的(de)冷(leng)卻(que)和(he)(he)通(tong)(tong)風(feng)(feng);7、谷物(wu)(wu)的(de)烘干(gan)和(he)(he)選送(song);風(feng)(feng)洞(dong)風(feng)(feng)源和(he)(he)氣墊船的(de)充氣和(he)(he)推進(jin)等。
1.風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)程(cheng)度(du)安裝,邊(bian)長(chang)尺寸(cun)小于(yu)(yu)(yu)(yu)(yu)(yu)等于(yu)(yu)(yu)(yu)(yu)(yu)400mm,間(jian)距不應(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)4m;大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)400mm,不應(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)3m;對于(yu)(yu)(yu)(yu)(yu)(yu)薄鋼板法蘭的(de)(de)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan),其支(zhi)、吊(diao)架間(jian)距不應(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)3m。2.風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)垂直安裝,間(jian)距不應(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)4m,單根直管(guan)(guan)(guan)(guan)(guan)(guan)(guan)至(zhi)少應(ying)有2個固(gu)定點。3.支(zhi)、吊(diao)架不宜(yi)設(she)置在風(feng)(feng)(feng)口、閥門、檢討門及自控機(ji)構處,離風(feng)(feng)(feng)口或插接管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)距離不宜(yi)小于(yu)(yu)(yu)(yu)(yu)(yu)200mm。4.當程(cheng)度(du)懸(xuan)吊(diao)的(de)(de)主、干風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)長(chang)度(du)超(chao)過20m時(shi),應(ying)設(she)置防止擺動(dong)固(gu)定點,每個系統不應(ying)少于(yu)(yu)(yu)(yu)(yu)(yu)1個。5.防火閥直徑或長(chang)邊(bian)尺寸(cun)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)等于(yu)(yu)(yu)(yu)(yu)(yu)630mm時(shi),宜(yi)設(she)獨(du)立支(zhi)、吊(diao)架。6.帶高(gao)效過濾(lv)器的(de)(de)送風(feng)(feng)(feng)口,應(ying)采取可分(fen)離調(diao)節高(gao)度(du)的(de)(de)吊(diao)桿。金(jin)屬(shu)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)加固(gu):矩形(xing)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)邊(bian)長(chang)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)630mm、保溫風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)邊(bian)長(chang)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)800mm,并且管(guan)(guan)(guan)(guan)(guan)(guan)(guan)段(duan)長(chang)度(du)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)1250mm或低壓風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)單邊(bian)平面積大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)1.2m2、中、高(gao)壓風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)1.0m2中,均(jun)應(ying)采用加固(gu)辦法。角鋼、加固(gu)筋的(de)(de)加固(gu),其高(gao)度(du)應(ying)小于(yu)(yu)(yu)(yu)(yu)(yu)或等于(yu)(yu)(yu)(yu)(yu)(yu)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)寬度(du)。角鋼、加固(gu)筋與風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)鉚接的(de)(de)間(jian)隔應(ying)均(jun)勻(yun),不應(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)220mm。.對于(yu)(yu)(yu)(yu)(yu)(yu)凈化空調(diao)系統,不應(ying)在風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)內設(she)加固(gu)框及加固(gu)筋。
通風管道安裝程序:(1)風管組裝:當風管較短時,可一次在地面組裝而成,當風管較長時,可視安裝場地的情況,在地面分段組裝。推薦通風設備組裝時應盡量調整風道的中心度和水平度,避免風管扭曲或上下起波,左右擺龍,每段風道不宜超過10m.組裝時,墊片應墊平,法蘭螺栓應均勻擰緊,螺母帽均朝向同一方向。(2)風管就位:風管就位前應檢查全部支架的水乎度和標高、檢查支架的牢固程度,風管就位可采用直接和吊具兩種方法。通風設備廠家對(dui)風(feng)(feng)管斷面(mian)較(jiao)小,又位(wei)(wei)置較(jiao)低的可(ke)(ke)(ke)采用(yong)人(ren)工就(jiu)位(wei)(wei)方法(fa),只(zhi)需搭設簡易(yi)腳手(shou)架即可(ke)(ke)(ke)。當風(feng)(feng)管斷面(mian)較(jiao)大且管段較(jiao)長時,可(ke)(ke)(ke)采用(yong)滑輪、倒鏈(lian)、大繩等方法(fa)吊裝。世紀星介紹為了便于風(feng)(feng)道(dao)(dao)就(jiu)位(wei)(wei),一般(ban)多采用(yong)將風(feng)(feng)道(dao)(dao)吊在腳手(shou)架上(shang),然后(hou)再(zai)將其抬(tai)放在風(feng)(feng)道(dao)(dao)支架上(shang)的方法(fa)。腳手(shou)架應沿(yan)其風(feng)(feng)道(dao)(dao)長度方向搭設,高度和位(wei)(wei)置應適合施工操(cao)作,吊裝順(shun)序應先干管后(hou)支、立管,吊起時,吊點(dian)(dian)應牢固,兩吊點(dian)(dian)應均勻受(shou)力。垂直(zhi)風(feng)(feng)管可(ke)(ke)(ke)采用(yong)人(ren)工和大繩輔(fu)助就(jiu)位(wei)(wei)。調整風(feng)(feng)管保(bao)證垂直(zhi)度要求。(3)風(feng)(feng)道(dao)(dao)調直(zhi):就(jiu)位(wei)(wei)在支架上(shang)的風(feng)(feng)道(dao)(dao),應撥正位(wei)(wei)置,調整風(feng)(feng)道(dao)(dao)橫平豎直(zhi),然后(hou)再(zai)按圖集要求固定。
消(xiao)防(fang)(fang)排煙(yan)風(feng)機廠家產品由多(duo)個(ge)配(pei)件(jian)構成(cheng),比如說葉輪(lun)、機殼、軸(zhou)(zhou)承(cheng)、主軸(zhou)(zhou)等等構成(cheng),而不同(tong)的(de)配(pei)件(jian)也起著不同(tong)的(de)作(zuo)用(yong)。首先對于葉輪(lun)而言,一(yi)般(ban)(ban)采用(yong)優質鍍鋅板制(zhi)作(zuo)而成(cheng)的(de)葉片,通(tong)(tong)(tong)過傾斜(xie)設(she)計(ji),與拉(la)伸成(cheng)型的(de)前盤一(yi)起形成(cheng)了更(geng)合理的(de)流(liu)道(dao)(dao)(dao)(dao),從而保證了葉輪(lun)的(de)高(gao)效率。而軸(zhou)(zhou)承(cheng)是帶鑄造座的(de)外球面軸(zhou)(zhou)承(cheng),可以通(tong)(tong)(tong)過外球面配(pei)合調整(zheng)同(tong)軸(zhou)(zhou)度的(de)誤(wu)差。主軸(zhou)(zhou)一(yi)般(ban)(ban)采用(yong)45#鋼經調制(zhi)處(chu)理后精車而成(cheng),保證足夠的(de)光潔度和尺寸(cun)精。另外兩(liang)(liang)層板內部填充消(xiao)聲(sheng)材料,能更(geng)有(you)效隔熱降噪。消(xiao)防(fang)(fang)排煙(yan)風(feng)機不能距(ju)離隧(sui)道(dao)(dao)(dao)(dao)的(de)邊壁太(tai)近(jin),避(bi)免(mian)影響(xiang)通(tong)(tong)(tong)風(feng)效果。通(tong)(tong)(tong)風(feng)系統從安全隧(sui)道(dao)(dao)(dao)(dao)向通(tong)(tong)(tong)過橫通(tong)(tong)(tong)道(dao)(dao)(dao)(dao)向事(shi)故隧(sui)道(dao)(dao)(dao)(dao)方向送風(feng),抑制(zhi)煙(yan)氣進入橫通(tong)(tong)(tong)道(dao)(dao)(dao)(dao)及未發生事(shi)故的(de)隧(sui)道(dao)(dao)(dao)(dao),滿足疏散人員迎著新(xin)(xin)風(feng)進入橫通(tong)(tong)(tong)道(dao)(dao)(dao)(dao)和安全隧(sui)道(dao)(dao)(dao)(dao)內,同(tong)時保證等待(dai)區域所需要(yao)的(de)新(xin)(xin)鮮空氣。充分利用(yong)定點救援(yuan)站(zhan)處(chu)的(de)斜(xie)井和隧(sui)道(dao)(dao)(dao)(dao)兩(liang)(liang)端(duan)的(de)消(xiao)防(fang)(fang)排煙(yan)風(feng)機作(zuo)為送入新(xin)(xin)風(feng)和排煙(yan)的(de)通(tong)(tong)(tong)道(dao)(dao)(dao)(dao),通(tong)(tong)(tong)風(feng)必須維持橫通(tong)(tong)(tong)道(dao)(dao)(dao)(dao)口處(chu)于正壓狀態(tai),防(fang)(fang)止煙(yan)氣流(liu)向通(tong)(tong)(tong)道(dao)(dao)(dao)(dao)內。
消防(fang)(fang)排(pai)(pai)煙(yan)風(feng)(feng)機風(feng)(feng)量與送(song)風(feng)(feng)機風(feng)(feng)量計(ji)(ji)(ji)算(suan)方(fang)(fang)(fang)法是根據(ju)建筑面(mian)(mian)積(ji)來(lai)確定的,每(mei)個防(fang)(fang)煙(yan)分(fen)(fen)(fen)區(qu)(qu)(qu)(qu)都(dou)需(xu)(xu)要(yao)獨立計(ji)(ji)(ji)算(suan)其排(pai)(pai)煙(yan)量,當排(pai)(pai)煙(yan)風(feng)(feng)機擔負一(yi)(yi)個防(fang)(fang)煙(yan)分(fen)(fen)(fen)區(qu)(qu)(qu)(qu)的時(shi)候(hou)可按(an)(an)平(ping)(ping)(ping)方(fang)(fang)(fang)米面(mian)(mian)積(ji)不(bu)小(xiao)于(yu)60m3/h計(ji)(ji)(ji)算(suan),擔負多個防(fang)(fang)煙(yan)分(fen)(fen)(fen)區(qu)(qu)(qu)(qu)則按(an)(an)平(ping)(ping)(ping)方(fang)(fang)(fang)米面(mian)(mian)積(ji)不(bu)小(xiao)于(yu)120m3/h計(ji)(ji)(ji)算(suan)。送(song)風(feng)(feng)量按(an)(an)排(pai)(pai)煙(yan)量的50%計(ji)(ji)(ji)算(suan)。每(mei)個防(fang)(fang)煙(yan)分(fen)(fen)(fen)區(qu)(qu)(qu)(qu)不(bu)應大(da)于(yu)500平(ping)(ping)(ping)方(fang)(fang)(fang)。常見的消防(fang)(fang)防(fang)(fang)排(pai)(pai)煙(yan)系統中,排(pai)(pai)煙(yan)量一(yi)(yi)般根據(ju)大(da)防(fang)(fang)煙(yan)分(fen)(fen)(fen)區(qu)(qu)(qu)(qu)面(mian)(mian)積(ji)500*120等于(yu)60000立方(fang)(fang)(fang)每(mei)小(xiao)時(shi)計(ji)(ji)(ji)算(suan),在(zai)設(she)計(ji)(ji)(ji)排(pai)(pai)煙(yan)量的時(shi)候(hou)要(yao)注意漏(lou)風(feng)(feng)量,一(yi)(yi)般可按(an)(an)小(xiao)漏(lou)風(feng)(feng)量10%計(ji)(ji)(ji)算(suan)。例如(ru):當建筑面(mian)(mian)積(ji)為1000平(ping)(ping)(ping)方(fang)(fang)(fang)時(shi),需(xu)(xu)要(yao)設(she)置兩個防(fang)(fang)煙(yan)分(fen)(fen)(fen)區(qu)(qu)(qu)(qu),每(mei)個防(fang)(fang)煙(yan)分(fen)(fen)(fen)區(qu)(qu)(qu)(qu)的大(da)面(mian)(mian)積(ji)為500平(ping)(ping)(ping)方(fang)(fang)(fang),排(pai)(pai)煙(yan)量是500*1203/h=600003/h,再加上(shang)小(xiao)漏(lou)風(feng)(feng)量10%為60003/h,總排(pai)(pai)煙(yan)量應為660003/h,其中送(song)風(feng)(feng)量為排(pai)(pai)煙(yan)量的50%應為330003/h。